/Engine/Source/Developer/NaniteUtilities/Public/TriangleUtil.h
https://math.stackexchange.com/questions/3748903/closest-point-to-triangle-edge-with-barycentric-coordinates
namespace Nanite { namespace Barycentric { float Nanite::Barycentric::DistanceToEdge ( float Barycentric, float EdgeLength, float TriangleArea ) } }